CN103643673B - Steel-pipe pile and construction method can be recycled in self-advancing type - Google Patents

Steel-pipe pile and construction method can be recycled in self-advancing type Download PDF

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Publication number
CN103643673B
CN103643673B CN201310534624.7A CN201310534624A CN103643673B CN 103643673 B CN103643673 B CN 103643673B CN 201310534624 A CN201310534624 A CN 201310534624A CN 103643673 B CN103643673 B CN 103643673B
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China
Prior art keywords
steel
pipe pile
connector
pipe
stake
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CN201310534624.7A
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CN103643673A (en
Inventor
张加冕
张延革
李冬梅
潘科峰
张探
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TAI'AN DAIZONG ELECTRICAL AND MECHANICAL TECHNOLOGY DEVELOPMENT CO., LTD.
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Tai'an Daizong Electrical And Mechanical Technology Development Co Ltd
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Abstract

The present invention relates to a kind of building trade steel-pipe pile, steel-pipe pile and construction method is can be recycled in especially a kind of self-advancing type.It includes certainly into connector, male connection, steel pipe, female adapter.The male connection, female adapter and steel pipe both ends firm welding, become a section steel-pipe pile;Described oneself couples into connector with the section steel-pipe pile, and every section steel-pipe pile is connected two-by-two by internal and external screw thread connector for starting point into the steel-pipe pile of connector with oneself;Off-balance bit and impactor drive steel-pipe pile voluntarily to advance by the pressure of compressed air.Steel pipe pile supporting system is criss-cross arranged using steel-pipe pile with anchor cable, is locked by crown beam, waist rail, the supporting construction of linked network between stake;Pore-forming of the present invention, piling is primary completes, and solves the collapse hole phenomenon of cobblestone, miscellaneous fill geologic structure, the rigidity of structure is big, and stability is strong, and supporting effect is good, and steel-pipe pile is easy to recycle and reuse, and construction efficiency is high, save the cost.

Description

Steel-pipe pile and construction method can be recycled in self-advancing type
Technical field:
The present invention relates to a kind of building trade steel-pipe pile, steel-pipe pile and construction party is can be recycled in especially a kind of self-advancing type Method.
Background technique:
Urbanization in China speed is accelerated, high building project, subway station construction, air defense engineering, Tunnel Engineering, mine All there are a large amount of gib engineerings in mountain underground engineering etc., these engineerings have used great deal of steel, cement quotient's concrete etc. are various to build Material not only wastes a large amount of building materials due to that can not recycle, and forms great underground pollution, again particularly with city Construction includes that periphery floor deep basal pit, underground antiaircraft facility, underground piping laying etc. bring construction obstacle.Especially in geology knot When structure is cobblestone, miscellaneous fill geologic structure deep basal pit gib construction, since collapse hole is serious, cement steel cage cannot be used The bored concrete pile of composition, it is domestic at present to be suitble to the geologic structure, and recuperable supporting construction and construction method without one kind.
Summary of the invention:
Goal of the invention of the invention is to overcome the deficiency of background technique and provide a kind of depth that can be recycled, reuse Foundation pit gib steel-pipe pile.
The present invention adopts the following technical scheme: steel-pipe pile can be recycled in a kind of self-advancing type, including connect certainly into connector, external screw thread Head, steel pipe benefit female adapter, it is characterised in that: the male connection, female adapter screw thread be left-handed rectangle spiral shell Line;The male connection, female adapter are fixed by seam allowance and the steel pipe both ends, then use groove firm welding, As a section steel-pipe pile;It is described to be connect certainly into connector with the male connection end of the section steel-pipe pile, with certainly into connection The steel-pipe pile of device is that starting point two-by-two connects every section steel-pipe pile by internal and external screw thread connector, to reach pattern foundation pit supporting structure institute Need the steel-pipe pile of depth.
Above-mentioned self-advancing type can be recycled steel-pipe pile construction method the following steps are included:
Smooth and place cleaning, measurement and positioning unwrapping wire mark a heart position;
Off-balance bit, impactor are packed into from into the steel-pipe pile of connector, and stake machine is in place;
Steel-pipe pile is lifted by crane, the verticality of steel-pipe pile pore-forming, drilling machine work, top injecting compressed air, off-balance bit are adjusted Surrounding sandstone is hit, compressed air drives lower part sandy soil to blow out along steel-pipe pile inner wall from top, and heavy first segment stake to stake top is higher by When the 60-80mm of ground, stop calming the anger, carry out pile extension, pile extension finishes, continues to play the second section stake, until reaching required supporting depth;
Piling is completed according to the stake heart position marked according to same step;
Recyclable crown beam is set;
Vertical cut, per one of anchor cable of downward 2 meters settings, anchor cable is using lockset and the locking of waist rail channel steel, and with drawing meter Rise drawing, reaches design lock value;
Linked network mask between stake;
Major project construction is higher by ground level and from bottom to top, withdraws from per pass waist rail lockset, steel strand wires, waist after foundation pit backfill Beam;The connection bolt for unclamping again crown beam Yu crown beam connector, splits out crown beam and crown beam connector;Again with dedicated pipe extractor by steel pipe Stake recycling, taxonomic revision storage, completing self-advancing type can be recycled steel pipe pile supporting system.
The preferred embodiment of above-mentioned construction method is: steel pipe pile section is connect with section using rectangle left hand thread, with from into even The steel-pipe pile for connecing device is the initial end of steel-pipe pile, off-balance bit with from being connected by card slot into connector, off-balance bit tail end and Impactor is connected by spline, and when top injecting compressed air, impactor passes through the reciprocal impact off-balance bit of piston, Off-balance bit hits surrounding sandstone, and due to wobbler action, drilling diameter is greater than the diameter of steel-pipe pile, and steel-pipe pile is automatically with bias Drill bit advances with from into connector, and the air of compression constantly drives lower part sandy soil along steel-pipe pile inner wall from top blowout, from forming Hole, the primary completion of piling.
Described is the key component of the recyclable steel-pipe pile of self-advancing type, connection off-balance bit, impactor and steel pipe into connector certainly Stake, to reach the voluntarily advance of steel-pipe pile.
The crown beam is recyclable crown beam, passes through high-intensitive spiral shell with the ring flange that every recyclable steel pipe stake top is welded It tethers and connects, per downward 2 meters since crown beam, one of anchor cable is laterally set, every anchor cable is arranged in steel-pipe pile spacing center, anchor cable Incidence angle is 15 ° or 25 °, and anchor cable is locked on waist rail.
The self-advancing type can be recycled steel pipe pile supporting system and is criss-cross arranged using steel-pipe pile with anchor cable, by crown beam, waist Beam locking, the supporting construction of linked network between stake.The self-advancing type is exactly the pressure of off-balance bit and impactor by compressed air, band Dynamic steel-pipe pile voluntarily advances.
Compared with prior art, the present invention this steel-pipe pile replaces the bored concrete pile and miniature steel pipe pile of cement steel composition, pipe Cement is not reinjected inside, convenient for recycling, can be used for multiple times, saved a large amount of steel and cement.This steel-pipe pile is suitable for goose The deep foundation pit support of cobble, miscellaneous fill geologic structure, solves the problems, such as collapse hole of constructing under the geological conditions, and support rigidity is big, steady It is qualitative it is strong, supporting depth is big.The verticality of pore-forming when this steel-pipe pile is easy to adjust construction ensure that hanging down for steel-pipe pile on branch mask In line column.This steel-pipe pile pore-forming, lower stake are once completed, and speed of application improves twice.
The advantages of this construction method: pore-forming, the primary completion of piling solve the collapse hole of cobblestone, miscellaneous fill geologic structure Phenomenon, the rigidity of structure is big, and stability is strong, and supporting effect is good, and steel-pipe pile is easy to recycle and reuse, and construction efficiency greatly improves, Construction cost is saved, the verticality of pore-forming when being easy to adjust construction ensure that the vertical arrangement of steel-pipe pile on branch mask.
Detailed description of the invention:
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is that the pore-forming of steel-pipe pile, piling schematic diagram can be recycled in self-advancing type.
Fig. 3, Fig. 4 are that the front elevation of steel-pipe pile arrangement can be recycled in self-advancing type and facade cuts open figure respectively.
Specific embodiment:
Referring to attached drawing 1 to attached drawing 4, in figure: from into connector 1, male connection 2, steel pipe 3, female adapter 4, eccentric Steel-pipe pile 6, impactor 7, waist rail 8, recyclable crown beam 9, anchor cable 10 can be recycled from nearly formula for drill bit 5.
In the present embodiment, male connection 2, female adapter 4 are fixed by seam allowance and 3 both ends of steel pipe, are then adopted respectively With groove firm welding, become a section steel-pipe pile;Couple from into connector 1 with the male connection end of a section steel-pipe pile;It has Every section steel-pipe pile is connected two-by-two by internal and external screw thread connector for starting point from the steel-pipe pile into connector, referring to attached drawing 1.
In the present embodiment, with from connecting into connector 1, impactor 7 is connect by spline with off-balance bit 5 off-balance bit 5, Off-balance bit 5 hits surrounding sandstone, and top injecting compressed air drives lower part sandy soil to blow out along steel-pipe pile inner wall from top, sinks When first segment stake 60-80mm above ground level to stake top, stop calming the anger, carry out pile extension, until reaching required supporting depth, referring to attached Fig. 2.
The preferred structure of the present embodiment: male connection 2, female adapter 4 are fixed by seam allowance and steel pipe both ends, are used Groove firm welding becomes a section steel-pipe pile, and by internal and external screw thread connector, every section steel-pipe pile connects two-by-two, reaches supporting depth Degree;Couple from into connector 1 with the male connection 2 of a section steel pipe;With from the steel-pipe pile into connector 1 is steel-pipe pile Beginning;Male connection 2, female adapter 4 screw thread be left-handed rectangular thread.
Off-balance bit 5 hits surrounding sandstone, and top injecting compressed air drives lower part sandy soil along steel-pipe pile inner wall from top Blowout.
The specification of steel pipe 3 in the present embodiment is 140 × 4.5 steel pipe of 133 × 4 steel pipe of φ or φ, male connection 2, interior The screw thread of nipple 4 is left-handed rectangular thread, and crown beam is 20a channel steel, and waist rail is 16b channel steel, and steel-pipe pile piling uses CTQ- Z120Y drilling machine and VF13/7 air compressor machine.
The advantages of present invention has is: pore-forming, the primary completion of piling solve the collapse hole of cobblestone, miscellaneous fill geologic structure Phenomenon, the rigidity of structure is big, and stability is strong, and supporting effect is good, and steel-pipe pile is easy to recycle and reuse, and construction efficiency greatly improves, Construction cost is saved, the verticality of pore-forming when being easy to adjust construction ensure that the vertical arrangement of steel-pipe pile on branch mask.
The method and step that steel-pipe pile Specific construction can be recycled in self-advancing type is:
Smooth and place cleaning, measurement and positioning unwrapping wire mark a heart position;With from the steel-pipe pile into connector 1 and partially Heart drill bit 5 and impactor 7 are connected firmly;The steel-pipe pile assembled is lifted by crane, its verticality is adjusted;Drilling machine and air compressor machine are run, is sunk When first segment stake 60-80mm above ground level to stake top, stop calming the anger, carry out pile extension, pile extension finishes, continues to play the second section stake, directly To depth needed for supporting;Piling is completed according to the stake heart position marked according to same step;Recyclable crown beam 9 is set;It hangs down Every 2 meters are directly excavated, one of anchor cable 10 is laterally set, anchor cable 10, which is arranged, can be recycled 6 spacing center of steel-pipe pile, anchor cable 10 in self-advancing type Incidence angle is 15 ° or 25 °, and anchor cable 10 is locked on waist rail 8.Shenfu Fig. 3, attached drawing 4.Linked network mask between stake completes steel-pipe pile branch Watch box system;Major project construction is higher by ground level, and connection bolt is first unclamped after foundation pit backfill, splits out recyclable crown beam 9 and crown beam Connector, then recycled steel-pipe pile with dedicated pipe extractor, taxonomic revision storage, completing self-advancing type can be recycled steel-pipe pile prop System.
The advantages of this construction method: pore-forming, the primary completion of piling solve the collapse hole of cobblestone, miscellaneous fill geologic structure Phenomenon, the rigidity of structure is big, and stability is strong, and supporting effect is good, and steel-pipe pile is easy to recycle and reuse, and construction efficiency greatly improves, Construction cost is saved, the verticality of pore-forming when being easy to adjust construction ensure that the vertical arrangement of steel-pipe pile on branch mask.
Steel pipe pile supporting system in the present embodiment is criss-cross arranged using steel-pipe pile with anchor cable, is locked by crown beam, waist rail It is fixed, the supporting construction of linked network between stake;Off-balance bit and impactor drive steel-pipe pile voluntarily to advance by the pressure of compressed air; Engineering construction is higher by ground level and is recycled steel-pipe pile with dedicated pipe extractor after foundation pit backfill.

Claims (1)

1. the construction method of steel-pipe pile can be recycled in a kind of self-advancing type, steel-pipe pile can be recycled using self-advancing type, the self-advancing type can return Receiving steel-pipe pile includes: certainly into connector, male connection, steel pipe and female adapter, it is characterised in that: the external screw thread connects Head, female adapter screw thread be left-handed rectangular thread;The male connection, female adapter pass through seam allowance and the steel Pipe both ends are fixed, and are then used groove firm welding, are become a section steel-pipe pile;It is described from into connector and the section steel-pipe pile Male connection end connection, with from into connector steel-pipe pile be starting point, by internal and external screw thread connector, every section steel Tubular pole connects two-by-two, to reach the steel-pipe pile of depth needed for pattern foundation pit supporting structure;The prop of steel-pipe pile can be recycled in the self-advancing type System is criss-cross arranged using steel-pipe pile with anchor cable, is locked by crown beam, waist rail, the supporting construction of linked network between stake;It is described from into Application of the steel-pipe pile in cobblestone, miscellaneous fill geologic structure deep basal pit gib construction can be recycled in formula;
The construction method step includes: smooth and place cleaning, measurement and positioning unwrapping wire, marks a heart position;Off-balance bit, punching It hits device to be packed into from into the steel-pipe pile of connector, stake machine is in place;Steel-pipe pile is lifted by crane, the verticality of steel-pipe pile pore-forming is adjusted, Drilling machine work, top injecting compressed air, off-balance bit hit surrounding sandstone, and compressed air drives lower part sandy soil along steel-pipe pile Wall is blown out from top, sink first segment stake 60-80mm above ground level to stake top when, stop calming the anger, carry out pile extension, pile extension finishes, after It is continuous to play the second section stake, until reaching required supporting depth;Piling is completed according to the stake heart position marked according to same step; Recyclable crown beam is set;Vertical cut, per one of anchor cable of downward 2 meters settings, anchor cable is locked using lockset and waist rail channel steel, is used in combination Drawing meter rises drawing, reaches design lock value;Linked network mask between stake;Major project construction is higher by ground level, after foundation pit backfill, under Upwards, per pass waist rail lockset, steel strand wires, waist rail are withdrawn from;The connection bolt for unclamping again crown beam Yu crown beam connector, split out crown beam with Crown beam connector;Steel-pipe pile is recycled with dedicated pipe extractor again, taxonomic revision storage, completing self-advancing type can be recycled steel-pipe pile supporting System,
With the initial end for from the steel-pipe pile into connector being steel-pipe pile, off-balance bit is connected with oneself into connector, off-balance bit Tail end is connect with impactor, when the injecting compressed air of top, impactor reciprocal impact off-balance bit, and off-balance bit strike week Sandstone is enclosed, steel-pipe pile advances with off-balance bit with from into connector automatically, and the air of compression constantly drives lower part sandy soil along steel Tubular pole inner wall is blown out from top, pore-forming, the primary completion of piling,
The crown beam is recyclable crown beam, is connect with the ring flange of every recyclable steel pipe stake top, per downward 2 since crown beam One of anchor cable is laterally arranged in rice, and at steel-pipe pile spacing center, anchor cable incidence angle is 15 ° or 25 ° for every anchor cable setting, anchor cable lock It is scheduled on waist rail.
CN201310534624.7A 2013-11-04 2013-11-04 Steel-pipe pile and construction method can be recycled in self-advancing type Active CN103643673B (en)

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Publication number Priority date Publication date Assignee Title
CN105756055A (en) * 2016-03-04 2016-07-13 中淳高科桩业股份有限公司 Tensioning and connection integrated prefabricated pile
CN108867659A (en) * 2018-08-09 2018-11-23 泰安市岱宗机电科技开发有限公司 Fabricated temporary support device and its application
CN112283445A (en) * 2020-10-26 2021-01-29 张学昌 Quick connecting pipe hoop for pipeline construction and construction method thereof

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CN2403885Y (en) * 1999-12-16 2000-11-01 侯学志 Perforator far guard rail steel pipe pile of super highway
CN2883486Y (en) * 2006-04-07 2007-03-28 蔡崇晓 Joints of threaded connecting end board pipe piles
KR100928083B1 (en) * 2007-05-10 2009-11-23 강상욱 Hollow steel pipe for rotation apparatus
CN102359112A (en) * 2011-07-22 2012-02-22 中铁第四勘察设计院集团有限公司 Method for bracing foundation pit by using steel box piles
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